The Automotive Emissions Monitor - 3433 is a highly accurate and reliable Multi Gas Monitor based on the INNOVA 1314 platform with special configuration for Exhaust Gas or SHED Evaporative Testing. Its measurement principle is based on the photoacoustic detection method. In addition to its high sensitivity for multiple trace pollutant monitoring, the model 3433 is valued for its extremely simple integration into most test installations and for enabling reliable direct measurements.